Abstract
In the present paper, some important characteristics of Fenchel-, Frechet-, Hadamard-, and Gateaux-Subdifferentials are showed up, and properties of functions, especially convexity of functions, are described by subdifferentials.
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Communicated by Dai Shiqiang
To the memory of my advisor, the late professor Guo Zhongheng
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Xingming, G. Characteristics of subdifferentials of functions. Appl Math Mech 17, 445–450 (1996). https://doi.org/10.1007/BF00131092
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DOI: https://doi.org/10.1007/BF00131092